Application content Lesson 01 :: Subtraction Review - Definition of subtraction - Different rules (step by step) - Practice and Review (with evaluation) Lesson 02 :: Parentheses Review - Use of Parentheses - Subtracting with Parentheses (step by step) - Multiplying with Parentheses (step by step) - Practice and Review (with evaluation) Lesson 03 :: First-Degree Equations - Definition - Names of Degrees - Different rules (step by step) - Practice and Review (with evaluation) Lesson 04 :: First-Degree Equations with variable - Work with one variable in both sides - Different rules (step by step) - Practice and Review (with evaluation) Lesson 05 :: First-Degree Equations with fractions - Work with fractions - Different rules (step by step) - Practice and Review (with evaluation) Lesson 06 :: Final Review (Problems) - Balance (step by step) - Distance (step by step) - Tennis Court (step by step)